Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

LACTATE, PUMP

General Information

Lab Order Codes:

LACTP

Synonyms:

Lactic acid, Pump

CPT Codes:

83605 – Lactate (lactic acid)

Test Includes:

Lactate, Pump concentration reported mg/dL.

Logistics

Test Indications:

Useful for determining the lactate of the pump prime solution prior to certain procedures such as ECMO or heart surgery.

Lab Testing Sections:

Chemistry

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

30 minutes

Special Instructions:

See Collection

Specimen

Specimen Type:

Whole blood, pump, See Collection

Container:

Arterial/Venous draws: Sims Portex syringe (PB151) or Smooth-E syringe (956-463) are the preferred syringes for analysis

Draw Volume:

0.4 mL (Minimum: 0.2 mL) blood

Processed Volume:

0.2 mL whole blood

Collection:

The specimen is collected from the ECMO pump.

Immediately remove all air from the syringe, cap tightly and mix by gentle inversion. Deliver specimens immediately to the lab at room temperature. Specimens must be analyzed immediately in the laboratory or placed on ice. Specimen should be tested with 30 minutes of collection.

Special Processing:

Lab Staff: Analyze all lactate samples immediately. Do Not centrifuge. Specimen should be delivered to testing station on ice in original collection container. Lab staff responsible for testing should be notified immediately.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimen; clotted specimen; delay in specimen testing more than 30 minutes after collection

Interpretive

Reference Range:

4.5 - 19.8 mg/dL

Critical Values:

>45 mg/dL

Limitations:

N/A

Methodology:

Ion Selective Electrode (ISE)

Contraindications:

This test is not indicated for general patient assessment.

References:

Tietz (1999) Textbook of Clinical Chemistry, 3rd edition, Philadelphia, WB Saunders Co, pp 788-789

ABL 800 Flex Operators Manual (2008), Edition H, Publication 200802, Code Number 990-315, Radiometer Medical Applications

Children’s Hospitals and Clinics, May 2009



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